Wireless headset



FIG. 1 is a front perspective view of a wireless headset showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a perspective view thereof, as shown in a user environment.

The broken lines illustrating portions of the wireless headset form no part of the claimed design. 

CLAIM The ornamental design for a wireless headset, as shown and described. 